Quick definitions from WordNet (fifth wheel)
▸ noun: a steering bearing that enables the front axle of a horse-drawn wagon to rotate
▸ noun: an extra car wheel and tire for a four-wheel vehicle
▸ noun: someone or something that is unwanted and unneeded
▸ Also see fifth_wheels
▸ Words similar to fifth wheel
▸ Usage examples for fifth wheel
▸ Idioms related to fifth wheel (New!)
▸ Words that often appear near fifth wheel
▸ Rhymes of fifth wheel
▸ Invented words related to fifth wheel
▸ noun: a steering bearing that enables the front axle of a horse-drawn wagon to rotate
▸ noun: an extra car wheel and tire for a four-wheel vehicle
▸ noun: someone or something that is unwanted and unneeded
▸ Also see fifth_wheels
▸ Words similar to fifth wheel
▸ Usage examples for fifth wheel
▸ Idioms related to fifth wheel (New!)
▸ Words that often appear near fifth wheel
▸ Rhymes of fifth wheel
▸ Invented words related to fifth wheel